From -- -- girl bands -- goofy video stars in this summer's viral onslaught on condoms style is any indication. Korean pop is poised to make a huge splash an American for every platinum selling super group. There are millions of wanna be stars in one show -- boot camp. The lucky few get their shot at K pop greatness ABC's -- -- Fujita went inside to find out if she's got what it takes. Wolf -- got nonstop. Many vital sensation inside his flooded -- the top of the American sharks. These condoms style video blog read more than 400 million hits. So it just hit me again of the sell -- hot -- -- 200. A wave of super groups and with infectious blood. And sleek moves -- The hottest act and nine never -- group called -- generation. Police with chart topping pizza multiple languages and lucrative endorsement deals and millions of hits on -- to. Yeah but like generations of American super giants these groups are -- so much is built. Starting -- it kind of boot camp run by Korea's largest record company ascent entertainment. Every week hundreds of wannabe stars flocked to global casting calls to seen. Seeing. And dance for a -- -- -- pop stardom. Those lucky enough to be discovered signs long term contracts this -- years in a trainee program. Learning discipline. Are affecting every -- Asked her every move that. This is the first time cameras have been allowed inside the -- factory work crash course in idle trainee. The test my own -- pop potential first stop the recording studio. He. -- -- -- Turns out it's not as -- as karaoke. Next it's on to hip hop with -- sappy tunes. -- -- -- Hip hop is not my Forte. It's challenging class a -- income yet Chicago native John it's up shows me how it's done. And it. For the lucky handful of successful trainees they are -- one of -- signatures super groups. News rolled out like Hollywood blockbusters. Sales -- topping three billion dollars each year this perfectly package paid off. Forties to become one of South Korea's -- -- exports. For Nightline and its fifty feet up in Seoul.

This transcript has been automatically generated and may not be 100% accurate.

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